Sighting device



FIG. 1 is a front, top and left side perspective view of a sighting device showing my new design;

FIG. 2 is a rear, top and right side perspective view thereof;

FIG. is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof.

The broken lines illustrate portions of the sighting device and form no part of the claimed design. The dash-dotted lines in FIG. 1, FIG. 2, FIG. 3, FIG. 4, and FIG. 5 denote the boundary of the claim and form no part of the claimed design. 

CLAIM The ornamental design for a sighting device, as shown and described. 